|Season 7, Episode 10|
|Air date||December 8, 2014|
|Written by||Chad Gomez Creasey & Dara Resnik Creasey|
|Directed by||Bill Roe|
When an ER physician is gunned down in the street, Castle and Beckett soon discover that the victim was a mob doctor to a Mafia family run by an old friend of Castle's. Also, against the backdrop of Christmas, Esposito and Lanie reach a defining moment in their relationship.
- Nathan Fillion as Richard Castle
- Stana Katic as Det. Kate Beckett
- Jon Huertas as Det. Javier Esposito
- Seamus Dever as Det. Kevin Ryan
- Tamala Jones as Dr. Lanie Parish
- Penny Johnson Jerald as Captain Victoria Gates
- Molly C. Quinn as Alexis Castle
- Susan Sullivan as Martha Rodgers
- Paul Ben-Victor as Dino Scarpella
- Vincent Spano as Christopher Carlucci
- Larry Poindexter as Det. McBride
- Alex Frnka as Jane Scarpella
- Mo Gallini as Rocco Carducci
- Jackie Tohn as Cyber Rita
- Brent Antonello as Luca Tessaro
- Carole Gutierrez as Dr. Deb Lander
- Beau Billingslea as Dr. Walter Parish
- Judy Ann Elder as Melinda Parish
- Georgi Jacobs as Stripper
- "I'll Be Your Santa Baby" - Rufus Thomas
- Lanie introduces her parents, Walter and Melinda Parish, to Castle, Beckett, Ryan, and Esposito.
- Castle just learned from Captain Gates that he is no longer allowed to investigate with Beckett and detectives from the 12th precinct.
- When Lanie told Esposito that her parents are coming to New York, he became very nervous. Similar to Castle when he first met Beckett's dad Jim Beckett.
- This is happening to be the second Christmas theme episode and the fourth-holiday one.